From: Effects of the dietary nonfiber carbohydrate content on lactation performance, rumen fermentation, and nitrogen utilization in mid-lactation dairy cows receiving corn stover
Items
Treatmentc
SEM
P-value
AH
L-NFC
H-NFC
N intake, g/d
504a
497a
451b
1.29
< 0.01
Urinary N excretion, g/d
230a
235a
191b
10.7
0.03
N excretions, % of N intake
Urinary N
46.2
48.0
42.6
1.79
0.11
Milk N
27.5
26.0
28.0
1.14
0.20